Plastic barrel



FIG. 1 is a top view of a plastic barrel showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a perspective view of the plastic barrel in a closed position; and,

FIG. 8 is a perspective view of the plastic barrel in an open position.

The broken line portions of the plastic barrel in FIGS. 1 through 8 are included for the purposes of illustrating unclaimed subject matter and form no part of the claimed design. 

The ornamental design for a plastic barrel, as shown and described. 